They are also hugely polluting, more than cars and trucks: https://www.wsj.com/articles/that-ear-splitting-leaf-blower-it-also-emits-more-pollution-than-a-car-1

They are also hugely polluting, more than cars and trucks: https://www.wsj.com/articles/that-ear-splitting-leaf-blower-it-also-emits-more-pollution-than-a-car-1513346400 https://www.wsj.com/articles/that-ear-splitting-leaf-blower-...